| A Trianoni béke által Magyarországtól elcsatolt települések 1920. | |||
| Settlements detached from Hungary by the Treaty of Trianon 1920 | |||
| 3201 3400 | |||
| Horvátgurab Jánosd | |||
| Legend | |||
| Village with Hungarian majority 1910 | town with Hungarian majority 1910 | city with Hungarian majority 1910 | |
| Village with Hungarian minority 1910 | town with Hungarian minority 1910 | city with Hungarian minority 1910 | |
| Village, no Hungarians 1910 | town, no Hungarians 1910 | city, no Hungarians 1910 | |
| magyar neve 1920-ban | hivatalos neve 1999 | elcsatolva 1920 | megjegyzés |
| Hungarian name 1920 | Official name 1999 | to country 1920 | |
| Horvátgurab | Chorvátsky Grob | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Horváthásos | Eberau (Kroatisch Ehrensdorf) | Austria | 1938-1944 to Germany |
| Horváti | Tupá (Chorvatice) | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Horvátklári | Radojevo (Hrvatska Klarija) | Yugoslavia | 1941-1944 to Serbia |
| Horvátlövő | Horvátlövő | Austria | 1923 return to Hungary |
| Hosdát | Hăşdat | Rumania | |
| Hosdó | Hăşdău | Rumania | |
| Hosszúág | Hisiaş | Rumania | |
| Hosszúaszó | Valea Lungă | Rumania | |
| Hosszúfalu | Săcele (Satu-Lung) | Rumania | |
| Hosszúliget | Gruilung | Rumania | |
| Hosszúmacskás | Satu Lung | Rumania | 1940-1944 to Hungary |
| Hosszúmező | Câmpulung la Tisa | Rumania | 1940-1944 to Hungary |
| Hosszúpatak | Tăuni | Rumania | |
| Hosszúremete | Remetea-Luncă | Rumania | |
| Hosszúrét /Liptó m./ | Kvačany (Dlhá Lúka) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Hosszúrét /Sáros m./ | Dlhá Lúka | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Hosszúrév | Răstoci | Rumania | 1940-1944 to Hungary |
| Hosszúsor | Luncşoara | Rumania | |
| Hosszúszabadi | Ohaba Lungă | Rumania | |
| Hosszúszeg | Lockenhaus (Langeck im Burgenland) | Austria | 1938-1944 to Germany |
| Hosszúszeghuta | Lockenhaus
(Glashütten bei
Langeck im Burgenland) |
Austria | 1938-1944 to Germany |
| Hosszútelke | Doştat | Rumania | |
| Hosszúújfalu | Husia | Rumania | 1940-1944 to Hungary |
| Hosszúvágás | Legnava | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Hotinka | Hoteni | Rumania | 1940-1944 to Hungary |
| Hovárdos | Kohfidisch (Harmisch) | Austria | 1938-1944 to Germany |
| Hőke | Hăuceşti | Rumania | 1940-1944 to Hungary |
| Hőlak | Trenčianska Teplá | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Höltövény | Hălchiu | Rumania | |
| Hölvény | Tekovské Luany (Hulvínky) | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Hömlöc | Čornotisiv (Holmovec) | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Hőnig | Hanigovce | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Hrboltó | Ruomberok (Hrboltová) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Hrustin | Hrutín | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Hubafalva | Moravany nad Váhom (Hubina) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Hubó | Hubovo | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Hull | Hul | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Hunfalva | Huncovce | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Huréz | Hurez | Rumania | |
| Huszt | Hust | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Husztköz | Nankovo | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Husztsófalva | Danilovo | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Hutás | Hutka | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Hutti | Huty | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Hüvész | Lúčina | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Hybbe | Hybe | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Idabukóc | Bukovec | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Idecspatak | Idicel | Rumania | 1940-1944 to Hungary |
| Igazfalva | Dumbrava | Rumania | |
| Igazpüspöki | Bánovce nad Bebravou (Biskupice) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Igenpataka | Ighiel | Rumania | |
| Igló | Spiská Nová Ves | Czechoslovakia | town, 1939-1944 and 1993 to Slovakia |
| Ignafalva | Igneşti | Rumania | |
| Ignéc | Zn'acovo | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Igrám | Báhoň (Igram) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Igricke | Púchov (Ihrite) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Ikafalva | Icafalău | Rumania | 1940-1944 to Hungary |
| Ikland | Icland | Rumania | 1940-1944 to Hungary |
| Iklód | Icloda | Rumania | |
| Iktár | Ictar-Budinţi (Ictar) | Rumania | |
| Ilkó | Bubulika (Ilkivci) | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Illanó | Liptovský Mikulá (Il'anovo) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Illava | Ilava | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Illenbák | Ilimbav | Rumania | |
| Illény | Ilieni | Rumania | |
| Illés | Ilija | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Illésfalva | Iliaovce | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Illésháza | Nový ivot | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Illmic | Illmitz | Austria | 1938-1944 to Germany |
| Illópatak | Ilova | Rumania | |
| Iloba | Ilba | Rumania | 1940-1944 to Hungary |
| Ilonc | Ilanda | Yugoslavia | 1941-1944 to Serbia |
| Ilonca | Ilnic'a | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Ilondapatak | Dolhani | Rumania | 1940-1944 to Hungary |
| Ilonokújfalu | Onok | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Ilosva | Irava | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Iltő | Ilteu | Rumania | |
| Illye | Ciumeghiu | Rumania | |
| Illyéd | Ilidia | Rumania | |
| Illyefalva | Ilieni | Rumania | 1940-1944 to Hungary |
| Illyésmező | Sovata (Ilieşi) | Rumania | 1940-1944 to Hungary |
| Imecsfalva | Imeni | Rumania | 1940-1944 to Hungary |
| Imely | Imel' | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Imréd | Tajov (Jabriková) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Imreg | Brehov | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Imrikfalva | Dedinky (Imrichovce) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Inakfalva | Inoc | Rumania | |
| Inaktelke | Inucu | Rumania | 1940-1944 to Hungary |
| Inám | Dolinka | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Inánd | Cefa (Inand) | Rumania | 1940-1944 to Hungary |
| Incéd | Schachendorf
(Dürnbach im Burgenland) |
Austria | 1938-1944 to Germany |
| Incsel | Ciuleni | Rumania | |
| Indal | Deleni | Rumania | |
| Ingodály | Mighindoala | Rumania | |
| Inó | Inău | Rumania | 1940-1944 to Hungary |
| Ipolybalog | Balog nad Ipl'om | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolybél | Bielovce | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolyberzence | Breznička | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Ipolybeszterce | Ozdín (Bystrička) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Ipolyfödémes | Ipel'ské Úlany | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolygalsa | Holia | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolyharaszti | Chrastince | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolyhídvég | Ipel'ské Predmostie | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolykér | Kiarov | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolykeszi | Kosihy nad Ipl'om | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolykiskeszi | Malé Kosihy | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolymagyari | Uhorské | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Ipolynagyfalu | Vel'ká Ves nad Ipl'om | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolynyék | Vinica | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolynyitra | Nitra nad Ipl'om | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolypásztó | Pastovce | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolyróna | Rovňany | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Ipolyság | ahy | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolyszakállos | Ipel'ský Sokolec | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolyszalka | Salka | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolyszécsényke | Sečianky | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolyszele | Poltár (Zelené) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Ipolyvarbó | Vrbovka | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipolyvisk | Vykove nad Ipl'om | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ipp | Ip | Rumania | 1940-1944 to Hungary |
| Irhóc | Vilhivci | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Iriny | Irina | Rumania | 1940-1944 to Hungary |
| Irtásfalu | Lazuri | Rumania | |
| Irtványos | Hodrua-Hámre (Kopanice) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Iske | Ikovce | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Ispáca | pačince | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Ispánlaka | pălnaca | Rumania | |
| Ispánmező | Spermezeu | Rumania | 1940-1944 to Hungary |
| Istvánd | tefurov | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Istvánfalva | Darova (Ştefăneşti) | Rumania | |
| Istvánfölde | Krajinik | Yugoslavia | 1941-1944 to Serbia |
| Istvánháza | Iştihaza | Rumania | |
| Istvánkirályfalva | tefanová | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Istvánlak | Boleráz (Klčovany) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Istvánszabadja | Lehota pod Vtáčnikom(Vel'ká Lehota) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Istvántelke | tefanovce | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Istvánvágás | tefanovce | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Istvánvölgy | Hajdučica | Yugoslavia | 1941-1944 to Serbia |
| Iszka | Izki | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Iszló | Isla | Rumania | 1940-1944 to Hungary |
| Isztáncs | Zemplínska Nová Ves (Stanča) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Isztebne | Istebné | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Isztina | Ştenea | Rumania | |
| Isztolna | Stolna | Rumania | |
| Isztrákos | Stracoş | Rumania | |
| Ivachónfalu | Ivachnová | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Ivácskó | Homoroade (Necopoi) | Rumania | 1940-1944 to Hungary |
| Ivánd | Ivada | Rumania | |
| Ivánfalva | Vanča vas | Yugoslavia | 1941-1944 to Hungary, 1991 to Slovenia |
| Ivánháza | Ivanovce | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Ivánkafalva | Ivančiná | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Ivánkaföld | Drakovce (Ivankovská Strana) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Iványi | Ivanyvci | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Iványos | Vanikovce | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Ivaskófalva | Zahatt'a (Ivakovic'a) | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Iza | Iza | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Izakonyha | Bogdan Vodă | Rumania | 1940-1944 to Hungary |
| Izasópatak | Slătioara | Rumania | 1940-1944 to Hungary |
| Izaszacsal | Săcel | Rumania | 1940-1944 to Hungary |
| Izbiste | Izbite | Yugoslavia | 1941-1944 to Serbia |
| Izbonya | denyjevo | Czechoslovakia | 1939-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Izbugya | Zbudza | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Izbugyabéla | Zbudská Belá + Valentovce | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Izbugyarabóc | Hrabovec nad Laborcom | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Izbugyaradvány | Radvaň
nad Laborcom
(Vyná Radvaň) |
Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Izbugyarokitó | Rokytov
pri Humennom
(Zbudský Rokyitov) |
Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Izdoba | Sady nad Torysou (Zdoba) | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Izgár | Izgar | Rumania | |
| Izsa | Ia | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Izsákfalva | akovce | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Izsap | Vel'ký Meder (Iop) | Czechoslovakia | 1938-1944 to Hungary, 1993 to Slovakia |
| Izsép | Topolje | Yugoslavia | 1941-1944 to Hungary, 1991 to Croatia |
| Izsépfalu | Liptovská Sielnica (Iipovce) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Izsnyéte | n'atino | Czechoslovakia | 1938-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Izsópallaga | Hotar | Rumania | |
| Jablánc | Jablonica | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Jablonca | Silická Jablonica | Czechoslovakia | 1938-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Jablonka | Jabłonka | Poland | 1939-1944 to Slovakia |
| Jác | Topol'čany (Jacovce) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Jád | Livezile | Rumania | 1940-1944 to Hungary |
| Jakabfalu | Jakubovany | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Jakabfalva | Iacobeni | Rumania | |
| Jakabfölde | Jakubova Vol'a | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Jakabvágása | Chminianske Jakubovany | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Jakabvölgye | Jakuovce | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Jákóhódos | Hodoş | Rumania | 1940-1944 to Hungary |
| Jákórésze | Jakovany | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Jákótelke | Horlacea | Rumania | 1940-1944 to Hungary |
| Jálna | Trnavá Hora (Jalná) | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Jalóc | Jalovec | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Jalsó | Jalové | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Jám | Iam | Rumania | |
| Jamnik | Jamník | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Jancsófalva | Inceşti | Rumania | |
| Jankafalva | Diosig (Ianca) | Rumania | 1940-1944 to Hungary |
| Jankahíd | Jankov Most | Yugoslavia | 1941-1944 to Serbia |
| Janó | Janov | Czechoslovakia | 1939-1944 and 1993 to Slovakia |
| Jánok | Janík | Czechoslovakia | 1938-1944 to Hungary, 1945-1992 to Soviet Union, 1992 to Ukraine |
| Jánosd | Ianoşda | Rumania | |